aria2/src/XmlParser.cc

78 lines
2.4 KiB
C++

/* <!-- copyright */
/*
* aria2 - The high speed download utility
*
* Copyright (C) 2012 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* In addition, as a special exception, the copyright holders give
* permission to link the code of portions of this program with the
* OpenSSL library under certain conditions as described in each
* individual source file, and distribute linked combinations
* including the two.
* You must obey the GNU General Public License in all respects
* for all of the code used other than OpenSSL. If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. If you
* do not wish to do so, delete this exception statement from your
* version. If you delete this exception statement from all source
* files in the program, then also delete it here.
*/
/* copyright --> */
#include "XmlParser.h"
#include "a2io.h"
#include "util.h"
namespace aria2 {
namespace xml {
bool parseFile(const std::string& filename, ParserStateMachine* psm)
{
int fd;
if(filename == DEV_STDIN) {
fd = STDIN_FILENO;
} else {
while((fd = a2open(utf8ToWChar(filename).c_str(),
O_BINARY | O_RDONLY, OPEN_MODE)) == -1
&& errno != EINTR);
if(fd == -1) {
return false;
}
}
auto_delete_r<int, int> fdDeleter(fd, close);
XmlParser ps(psm);
char buf[4096];
ssize_t nread;
bool retval = true;
while((nread = read(fd, buf, sizeof(buf))) > 0) {
if(ps.parseUpdate(buf, nread) < 0) {
retval = false;
break;
}
}
if(nread == 0 && retval) {
if(ps.parseFinal(nullptr, 0) < 0) {
retval = false;
}
}
return retval;
}
} // namespace xml
} // namespace aria2